<template>
	<view class="overfor-x">
		<!-- 搜索框 -->
		<view class="top-tile">文章搜索</view>
		<image class="container" src="/static/search/xinkong.gif">
			<view class="container-h">
				悬悬而望
			</view>
			<view class="container-slog">
				愿我们都不后悔，出现在彼此的世界中
			</view>
			<view class="container-search">
				<uni-search-bar v-model="searchValue" style="opacity: 0.9;" radius="190" placeholder="搜索一下，爱上这个世界"
					@confirm="search" cancelButton="none" bgColor="#fff" />
			</view>
		</image>
		<!-- <official-account  style="width:100%;"></official-account> -->
		<!-- 标签-->
		<view class='padding-sm flex flex-wrap'>

			<view @click="searchType(item.typeVal)" class="padding-xs" v-for="(item, index) in bLogTypeList"
				:key="index">
				<view class='cu-tag round light' :class="'bg-' + item.name">{{ item.title }}</view>
			</view>
		</view>
		<!-- 热门文章 -->
		<view class="titel-felx">
			<view class="time-img">
				<image style="width: 100%;height: 100%;" src="/static/search/dstrict-3.svg" mode=""></image>
			</view>
			<view class="titel-h-go">
				热门文章
			</view>
		</view>
		<!-- 文章列表 -->
		<view v-if="blogList.length != 0" style="margin: 0 25rpx;">
			<!-- 博客列表项 -->
			<view class="blog-box" v-for="(item, index) in blogList" :key="index" @click="blogInfo(item.id)">
				<!-- 广告单元 -->
				<view
					style="height: 370rpx;background-color: white;overflow: hidden;padding: 25rpx;border-radius: 30rpx;"
					v-if="item.ad == 1 && adUnitId">
					<view style="height: 325rpx;overflow: hidden;">
						<!-- 自定义广告组件 -->
						<ad-custom style="height: 325rpx !important" :unit-id="adUnitId" ad-intervals="30"></ad-custom>
					</view>
				</view>
				<!-- 非广告单元 -->
				<view style="height: 200rpx;" v-else>
					<!-- 博客列表项图片 -->
					<image class="blog-img" :src="baseUrl + item.showImg"></image>
					<!-- 信息框 -->
					<view class="info-box">
						<!-- 标题，支持多行省略 -->
						<view class="ellipsis-multiline">
							{{ item.title }}
						</view>
						<!-- 信息图标 -->
						<view class="info-icon">
							<!-- 广告图标 -->
							<image v-if="item.isAd == 0" class="muen-sld-icon" src="/static/public/guanggao.svg"
								mode="">
							</image>
							<!-- 下载图标 -->
							<image v-if="item.appResourceId" class="muen-sld-icon" src="/static/public/xiazai.svg"
								mode="">
							</image>
						</view>
						<!-- 时间和浏览量 -->
						<view class="muen-sld-time">{{ item.createTime }}<text
								class="cuIcon-attention look-number"><text>{{ item.lookNumber }}</text></text></view>
					</view>
				</view>
			</view>

		</view>
		<view style="text-align: center;" v-else>
			<image style="width: 400rpx;height: 200rpx;" src="/static/public/nodata.svg"></image>
			<view style="color: #adadad;">无数据</view>
		</view>
		<!-- 加载动图 -->
		<view class="artileload" v-if="showTotal">
			<image style="width: 100%;height: 100%;" src="/static/public/articleload.gif" mode="aspectFit"></image>
		</view>
		<!-- 文章列表没有数据 -->
		<view class="no-list-data" v-else>
			--我的底线就到这里了--
		</view>

	</view>
</template>

<script>
import {
	listArticle,
	getDicts,
} from "@/api/app/index.js"
import config from '@/config'
export default {
	data() {
		return {
			baseUrl: config.baseUrl,
			adUnitId: "",
			ColorList: [{
				name: 'red',
				color: '#e54d42'
			},
			{
				name: 'orange',
				color: '#f37b1d'
			},
			{
				name: 'yellow',
				color: '#fbbd08'
			},
			{
				name: 'olive',
				color: '#8dc63f'
			},
			{
				name: 'green',
				color: '#39b54a'
			},
			{
				name: 'cyan',
				color: '#1cbbb4'
			},
			{
				name: 'blue',
				color: '#0081ff'
			},
			{
				name: 'purple',
				color: '#6739b6'
			},
			{
				name: 'mauve',
				color: '#9c26b0'
			},
			{
				name: 'pink',
				color: '#e03997'
			},
			{
				name: 'brown',
				color: '#a5673f'
			},
			{
				name: 'grey',
				color: '#8799a3'
			},
			{
				name: 'gray',
				color: '#aaaaaa'
			},
			{
				name: 'black',
				color: '#333333'
			},
			{
				name: 'white',
				color: '#ffffff'
			},
			],
			searchValue: null,
			blogList: [],
			queryParams: {
				pageNum: 1,
				pageSize: 7,
				isShow: 1,
				articleType: null,
				keyword: null,
				orderType: "look_number"
			},
			bLogTypeList: [],
			total: 0,
			showTotal: false,
			platform: 0


		}
	},
	onLoad() {
		this.adUnitId = uni.getStorageSync("sysSet").computerAd
		wx.getSystemInfo({
			success: (res) => {
				console.log(res.platform)
				if (res.platform == 'mac' || res.platform == 'windows') {
					this.platform = 1
				}
			}
		})
		//获取文章列表
		this.getBlogList()
		//获取文章类型标签
		getDicts("article_type").then(response => {
			this.bLogTypeList = [];
			var randomNumber = this.getRandomNumber(0, 14, response.data.length)
			for (var i = 0; i < response.data.length; i++) {
				var type = {
					title: response.data[i].dictLabel,
					name: this.ColorList[randomNumber[i]].name,
					color: this.ColorList[randomNumber[i]].color,
					typeVal: response.data[i].dictValue
				}
				this.bLogTypeList.push(type)
			}
		})
	},
	// 下拉刷新
	onPullDownRefresh() {
		this.queryParams = {
			pageNum: 1,
			pageSize: 7,
			isShow: 1,
			articleType: null,
			keyword: null,
			orderType: "look_number"
		}
		this.searchValue = null
		this.getBlogList()
	},
	// 上拉分页
	onReachBottom() {
		var that = this;
		var allTotal = this.queryParams.pageNum * this.queryParams.pageSize
		//this.page为加载次数，this.pageSize为每一次加载的数据条数
		if (allTotal < this.total) {
			//this.total为请求数据的总条数。只要现有条数小于总条数就执行一下代码
			this.showTotal = true;
			this.queryParams.pageNum++;
			//加载次数递加
			//请求更多数据列表
			listArticle(this.queryParams).then(response => {
				if (that.platform == 0 && that.adUnitId) {
					that.blogList.push({ ad: 1 })
				}
				that.blogList = that.blogList.concat(response.rows)
				var allTotal2 = this.queryParams.pageNum * this.queryParams.pageSize
				if (allTotal2 < this.total) {
					//this.total为请求数据的总条数。只要现有条数小于总条数就执行一下代码
					this.showTotal = true;
				} else {
					this.showTotal = false;
				}

			})
		} else {
			this.showTotal = false;
		}
	},
	methods: {
		// 搜索触发
		search(e) {
			var json = e.value;
			this.queryParams.pageNum = 1
			this.queryParams.articleType = null
			this.queryParams.keyword = json
			this.getBlogList()
		},
		searchType(type) {
			this.queryParams.pageNum = 1
			this.queryParams.articleType = type
			this.queryParams.keyword = null
			this.searchValue = null
			this.getBlogList()
		},
		getRandomNumber(min, max, count) {
			const randoms = new Set();
			while (randoms.size < count) {
				const random = Math.floor(Math.random() * (max - min + 1)) + min;
				randoms.add(random);
			}
			return [...randoms];
		},

		/**
		 * 获取博客列表
		 * 本函数通过调用后端API来获取博客文章列表，并根据查询参数来分页显示
		 * 同时，根据当前平台和广告单元ID，决定是否在列表中插入广告项
		 */
		getBlogList() {
			var that = this;
			// 调用listArticle函数获取文章列表
			listArticle(this.queryParams).then(response => {
				// 将获取到的博客列表赋值给blogList
				that.blogList = response.rows
				// 计算当前查询参数下的总条数
				var allTotal = this.queryParams.pageNum * this.queryParams.pageSize
				// 更新总条数
				that.total = response.total
				// 根据总条数和当前查询参数决定是否显示总条数
				if (allTotal < this.total) {
				    this.showTotal = true;
				} else {
				    this.showTotal = false;
				}
				// 如果平台为0且广告单元ID存在，则在列表中插入广告项
				if(that.platform == 0 && that.adUnitId){
				    that.blogList.splice(2, 0, {ad:1});
				}
				// 停止下拉刷新
				uni.stopPullDownRefresh();

				// // 解析返回的JSON数据
				// const responseData = JSON.parse(response);

				// // 将获取到的博客列表赋值给blogList
				// that.blogList = responseData.rows;

				// // 计算当前查询参数下的总条数
				// var allTotal = this.queryParams.pageNum * this.queryParams.pageSize;

				// // 更新总条数
				// that.total = responseData.total;

				// // 根据总条数和当前查询参数决定是否显示总条数
				// if (allTotal < this.total) {
				// 	this.showTotal = true;
				// } else {
				// 	this.showTotal = false;
				// }

				// // 如果平台为0且广告单元ID存在，则在列表中插入广告项
				// if (that.platform == 0 && that.adUnitId) {
				// 	that.blogList.splice(2, 0, { ad: 1 });
				// }

				// // 停止下拉刷新
				// uni.stopPullDownRefresh();
			})
		},
		blogInfo(id) {
			this.$tab.navigateTo('/pages/blog/bloginfo?id=' + id)
		}

	}
}
</script>

<style lang="scss">
page {
	display: flex;
	flex-direction: column;
	box-sizing: border-box;
	background-color: #fff;
	min-height: 100%;
	height: auto;
}

/* 列表没有数据 */
.no-list-data {
	text-align: center;
	margin: 30rpx 0px;
	color: #e6e6e6;
	font-size: 24upx;
}

/* 加载动图 */
.artileload {
	height: 80rpx;
	width: 80rpx;
	margin: 20rpx auto;
	overflow: hidden;
}

.top-tile {
	width: 100%;
	height: 60rpx;
	line-height: 60rpx;
	text-align: center;
	margin-top: 100rpx;
}

.overfor-x {
	overflow-x: hidden;
}

.container-h {
	color: #FFFFFF;
	font-size: 36upx;
	position: absolute;
	top: 240upx;
	left: 10%;
}

.container-slog {
	color: #FFFFFF;
	font-size: 24upx;
	position: absolute;
	top: 310upx;
	left: 10%
}

.container-search {
	position: absolute;
	width: 88%;
	top: 370upx;
	left: 6%
}

.container {
	margin: 4% 30upx;
	width: 92%;
	height: 320rpx;
	border-radius: 20upx;
	/* padding: 30upx; */
	overflow: hidden;
	position: relative;
}

/* 标签 */
.swiper-list {
	margin: 30upx 0upx 10upx 0upx;
	white-space: nowrap;
	width: 100%;
}

.label-list {
	padding: 12upx 36upx;
	background-color: #596982;
	border-radius: 100upx;
	margin-left: 30upx;
	color: #FFFFFF;
	font-size: 28upx;
	flex-shrink: 0;
	display: inline-block;
}

.label-list:last-child {
	margin-right: 30upx;
}

/* 热门 */
.time-img {
	height: 40upx;
	width: 40upx;
}

.title-h-ad {
	height: 240upx;
	border-radius: 16upx;
	margin: 48upx;
	overflow: hidden;
}

.titel-felx {
	display: flex;
	align-items: center;
	padding: 28upx;
}

.titel-h-go {
	font-size: 32upx;
	margin-left: 20upx;
}

/* 文章列表 */
.blog-box {
	width: 100%;
	background-color: white;
	border-radius: 30rpx;
	font-size: 25rpx;
}

.blog-img {
	height: 150rpx;
	width: 33%;
	margin-top: 25rpx;
	margin-left: 25rpx;
	border-radius: 25rpx;
	display: inline-block;
	float: left;
}

.muen-sld-time {
	font-size: 22rpx;
	margin-top: 12rpx;
	margin-left: 25rpx;
	float: left;
	color: #ADADAD;
	width: 100%;
	line-height: 20rpx;
}

.muen-sld-icon {
	width: 30rpx;
	height: 30rpx;
	margin-left: 25rpx;
	margin-top: 17rpx;
	float: left;
}

.info-box {
	width: 58%;
	display: inline-block;
}

.ellipsis-multiline {
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 2;
	overflow: hidden;
	text-overflow: ellipsis;
	width: 100%;
	margin-top: 30rpx;
	margin-left: 25rpx;
	height: 70rpx;
}

.look-number {
	font-size: 22rpx;
	float: right;
}

.look-number text {
	margin-left: 10rpx;
}

.info-icon {
	height: 40rpx;
}
</style>